Bose FreeSpace 6 Manuale dell'installatore - Pagina 31
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Symptom
System electronics power
LED does not light
No output from loudspeaker
Out L and/or R
Paging is not audible in
the loudspeakers
The volume is at full and
does not respond to the
Remote Volume control
Possible Cause
The power switch is off
The power cord is loose,
not installed, or defective
The circuit breaker handling
this AC outlet has tripped
One of the internal fuses
has blown
The power amplifier "no load"
protection has been activated
The potentiometer wires going
to the remote control have been the system. The system should operate at full volume.
shorted
The Page Enable switches
(block 5) are set to off
The Page Trigger Level
(block 3) is turned too far down
The Page Mix Trim (block 4)
is turned too far down
The wiring to the Remote
Volume control has been cut or
has fallen out of place at one
end, or the potentiometer in the
remote control has broken
AM180090_02_V.pdf • May 7, 2002
Remedy
Turn on power switch.
Correct the power cord problem.
Turn off the power switch and reset the circuit breaker. If the
breaker trips again, there is a problem in the building wiring, or
other loads plugged into the same circuit. Call an electrician. If
the breaker does not trip, turn on the system electronics. If the
circuit breaker trips again, the total load on this circuit may be
excessive. Or, the system electronics may be defective. Test the
system electronics on another circuit known to not be fully
loaded.
Refer the problem to an authorized service agent. It is not user-
serviceable.
If the system electronics are powered up with no loudspeakers
connected, the no load protection will shut down the amplifiers
and keep them down even if the loudspeakers are later con-
nected. Make sure that the loudspeakers are properly connected
to the system electronics. Turn the AC mains off and back on
again.
Confirm this by disconnecting the remote volume control wire at
Check for wire whiskers at the connector or in the remote control
or for a defective wire. Repair the short.
Set the switches to enable paging.
Turn the Page Trigger Level to the right to increase the sensitivity.
Turn it to the right and adjust for the correct paging level.
Locate and correct the problem.
Troubleshooting
31